Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)
The 4R70W has the following features:
- Wide ratio gears
- Four speeds
- Rear wheel drive
- Automatic
- Electronic shift
- Torque converter clutch control
- Line pressure controls
The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.
4R70W Automatic Transmission

Automatic Transaxle/Transmission
General Specifications
a - MERCON V is not interchangeable at this time with the current MERCON
fluids. Check the
transmission fluid level indicator to determine the correct fluid and refer to
the ...
Identification Tags
All vehicles are equipped with a Vehicle Certification Label, located
on the driver side door lock post.
For correct transmission identification, refer to the code in the space
marked TR.
...
Other materials:
Road Test
Verify the customer concern by carrying out a road test on a smooth road. If
any vibrations are
apparent.
To maximize tire performance, inspect for signs of incorrect inflation and
uneven wear, which may
indicate a need for balancing, rotation, or front susp ...
Safety Belt Maintenance
WARNING: All safety belt assemblies include retractors, buckles, front
seat belt buckle
support assemblies (slide bar, if so equipped), shoulder belt height adjuster
(if equipped), child
safety seat tether bracket assemblies (if equipped) and attaching hardw ...
Suction Accumulator
NOTE: Installation of a new suction accumulator is not required when
repairing the air conditioning
system except when there is physical evidence of contamination from a failed A/C
compressor or
damage to the suction accumulator.
In addition to th ...
